Article
Close inbreeding and low genetic diversity in Inner Asian human populations despite geographical exogamy.
Scientific reports - 20 Jun 2018
Marchi Nina, Mennecier Philippe, Georges Myriam, Lafosse Sophie, Hegay Tatyana, Dorzhu Choduraa, Chichlo Boris, Ségurel Laure, Heyer Evelyne
Abstract excerpt
When closely related individuals mate, they produce inbred offspring, which often have lower fitness than outbred ones. Geographical exogamy, by favouring matings between distant individuals, is thought to be an inbreeding avoidance mechanism; however, no data has clearly tested this prediction. Here, we took advantage of the diversity of matrimonial systems in humans to explore the impact of geographical exogamy...
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